FreeSWITCH Software Engineer (Remote - EMEA)

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a FreeSWITCH Software Engineer in EMEA.

We are seeking a highly skilled FreeSWITCH Software Engineer to join a global team focused on building and maintaining advanced real-time communications systems. In this role, you will design, implement, and optimize FreeSWITCH-based back-to-back-user-agent (B2BUA) services, ensuring high performance, reliability, and scalability. You will collaborate with engineers, product, and operations teams worldwide to solve complex VoIP challenges, develop new modules, and enhance existing features. This role offers the opportunity to work on cutting-edge communications technologies, contribute to global solutions, and take ownership of critical system components in a remote-first, collaborative environment.

• Develop, implement, and maintain features within FreeSWITCH-based B2BUA services
• Troubleshoot and debug VoIP protocols including SIP, RTP, and WebRTC
• Collaborate with cross-functional teams to prioritize improvements and enhancements
• Optimize latency, scalability, and overall system performance
• Conduct code reviews, maintain high-quality standards, and follow best development practices
• Integrate B2BUA services with other components of the Telephony Engine
• Implement monitoring and alerting to maintain system health and reliability
• Automate processes to enable faster deployments and efficient capacity scaling
• Act as the subject matter expert for FreeSWITCH within the organization

• Proven experience in C/C++ software development, including coding, debugging, and optimization
• Strong understanding of VoIP protocols (SIP, RTP, WebRTC) and troubleshooting skills
• Previous experience working with FreeSWITCH source code highly desirable
• Experience with distributed applications, system performance tuning, and scalability
• Familiarity with containers and orchestration tools such as Docker, Ansible, or Jenkins
• Knowledge of major VoIP projects (Kamailio, OpenSIPS, RTPEngine, Asterisk) is a plus
• Familiarity with build systems such as automake and autoconf
• Strong problem-solving skills, attention to detail, and ability to work independently in a remote environment
• Excellent collaboration and communication skills

• Competitive salary and performance-based incentives
• Remote-first work environment with flexibility across EMEA
• Opportunity to work on cutting-edge real-time communications technologies
• Exposure to global projects and cross-functional collaboration
• Career growth in a technically challenging and innovative field
• Supportive team environment with continuous learning opportunities

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

When you apply, your profile goes through our AI-powered screening process designed to identify top talent efficiently and fairly.

🔍 Our AI evaluates your CV and LinkedIn profile thoroughly, analyzing your skills, experience, and achievements.

📊 It compares your profile to the job's core requirements and past success factors to determine your match score.

🎯 Based on this analysis, we automatically shortlist the 3 candidates with the highest match to the role.

🧠 When necessary, our human team may perform an additional manual review to ensure no strong profile is missed.

The process is transparent, skills-based, and free of bias — focusing solely on your fit for the role.

Once the shortlist is completed, we share it directly with the company that owns the job opening. The final decision and next steps (such as interviews or additional assessments) are then made by their internal hiring team.

Thank you for your interest!